{"id":726,"date":"2020-07-21T07:32:36","date_gmt":"2020-07-21T00:32:36","guid":{"rendered":"https:\/\/bitcoinvn.io\/shop-2\/?post_type=product&#038;p=726"},"modified":"2025-08-21T12:34:45","modified_gmt":"2025-08-21T05:34:45","slug":"coldcard-mk3","status":"publish","type":"product","link":"https:\/\/bitcoinvn.io\/shop-2\/vi\/product\/coldcard-mk3\/","title":{"rendered":"V\u00ed Coldcard MK3"},"content":{"rendered":"<p><i><span style=\"font-weight: 400;\"><a href=\"https:\/\/bitcoinvn.io\/shop-2\/product\/vi-coldcard-mk3\/\"><strong>V\u00ed Coldcard Mk3<\/strong><\/a> l\u00e0 v\u00ed c\u1ee9ng chuy\u00ean d\u1ee5ng cho Bitcoin, \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi Coinkite \u2013 m\u1ed9t c\u00f4ng ty mang tinh th\u1ea7n cypherpunk n\u1ed5i ti\u1ebfng \u0111\u1ebfn t\u1eeb Canada. \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng l\u1ef1a ch\u1ecdn \u0111\u01b0\u1ee3c c\u1ed9ng \u0111\u1ed3ng Bitcoin OG (original gangsters) \u0111\u00e1nh gi\u00e1 r\u1ea5t cao nh\u1edd m\u1ee9c \u0111\u1ed9 b\u1ea3o m\u1eadt v\u01b0\u1ee3t tr\u1ed9i, kh\u1ea3 n\u0103ng ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed9c l\u1eadp ho\u00e0n to\u00e0n v\u00e0 m\u00e3 ngu\u1ed3n m\u1edf minh b\u1ea1ch.<\/span><\/i><\/p>\n<p><i><span style=\"font-weight: 400;\">BitcoinVN Shop hi\u1ec7n l\u00e0 nh\u00e0 ph\u00e2n ph\u1ed1i ch\u00ednh th\u1ee9c c\u1ee7a Coinkite, \u0111\u1ea3m b\u1ea3o v\u00ed l\u1ea1nh Coldcard Mk3 b\u1ea1n nh\u1eadn \u0111\u01b0\u1ee3c l\u00e0 nh\u1eadp kh\u1ea9u ch\u00ednh h\u00e3ng. Ngo\u00e0i vi\u1ec7c b\u1ea3o h\u00e0nh 1 \u0111\u1ed5i 1 khi ph\u00e1t hi\u1ec7n s\u1ea3n ph\u1ea9m kh\u00f4ng \u0111\u00fang nh\u01b0 m\u00f4 t\u1ea3, ch\u00fang t\u00f4i c\u00f2n <strong>t\u1eb7ng 1 bu\u1ed5i t\u01b0 v\u1ea5n b\u1ea3o m\u1eadt mi\u1ec5n ph\u00ed<\/strong>, gi\u00fap b\u1ea1n b\u1eaft \u0111\u1ea7u h\u00e0nh tr\u00ecnh b\u1ea3o v\u1ec7 Bitcoin \u0111\u00fang c\u00e1ch.<\/span><\/i><\/p>\n<h2><b>T\u00ednh n\u0103ng n\u1ed5i b\u1eadt c\u1ee7a v\u00ed Coldcard Mk3<\/b><\/h2>\n<h3><b>B\u1ea3o m\u1eadt t\u1ed1i \u0111a v\u1edbi ph\u1ea7n c\u1ee9ng chuy\u00ean bi\u1ec7t<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Kh\u00f3a c\u00e1 nh\u00e2n (private key) \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong chip b\u1ea3o m\u1eadt chuy\u00ean d\u1ee5ng (Secure Element), thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 ch\u1ed1ng tr\u00edch xu\u1ea5t d\u1eef li\u1ec7u.\u00a0<\/span><\/li>\n<li><span style=\"font-weight: 400;\">H\u1ed7 tr\u1ee3 PSBT (Partially Signed Bitcoin Transaction &#8211; BIP174): \u0110\u00e2y l\u00e0 d\u00f2ng v\u00ed g\u1ed1c psbt (<a href=\"https:\/\/github.com\/bitcoin\/bips\/blob\/master\/bip-0174.mediawiki\" target=\"_blank\" rel=\"noopener\">Bip 174<\/a>) \u0111\u1ea7u ti\u00ean c\u00f3 th\u1ec3 <strong>k\u00fd giao d\u1ecbch ho\u00e0n to\u00e0n offline th\u00f4ng qua th\u1ebb microSD<\/strong> m\u00e0 kh\u00f4ng c\u1ea7n k\u1ebft n\u1ed1i USB.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">H\u1ec7 th\u1ed1ng ho\u00e0n to\u00e0n \u0111\u1ed9c l\u1eadp: Coldcard \u0111\u01b0\u1ee3c n\u1ea1p firmware trong m\u1ed9t m\u00f4i tr\u01b0\u1eddng an to\u00e0n kh\u00f4ng th\u1ec3 c\u00e0i ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i t\u1eeb b\u00ean ngo\u00e0i.<\/span><\/li>\n<\/ul>\n<h3><b>Ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed9c l\u1eadp (Air-gapped)<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">L\u00e0 m\u1ed9t trong nh\u1eefng d\u00f2ng v\u00ed c\u1ee9ng hi\u1ebfm hoi cho ph\u00e9p b\u1ea1n s\u1eed d\u1ee5ng \u0111\u1ec3 kh\u1edfi t\u1ea1o v\u00ed, sao l\u01b0u, cho \u0111\u1ebfn k\u00fd giao d\u1ecbch&#8230; <strong> m\u00e0 kh\u00f4ng c\u1ea7n k\u1ebft n\u1ed1i v\u1edbi m\u00e1y t\u00ednh<\/strong>. \u0110i\u1ec1u n\u00e0y lo\u1ea1i b\u1ecf r\u1ee7i ro t\u1eeb c\u00e1c ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i tr\u00ean m\u00e1y t\u00ednh, n\u00e2ng cao m\u1ee9c \u0111\u1ed9 an to\u00e0n cho ng\u01b0\u1eddi d\u00f9ng.<\/span><\/p>\n<h3><b>M\u00e3 ngu\u1ed3n m\u1edf &amp; minh b\u1ea1ch<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">To\u00e0n b\u1ed9 ph\u1ea7n m\u1ec1m c\u1ee7a v\u00ed Coldcard MK3 \u0111\u1ec1u l\u00e0 m\u00e3 ngu\u1ed3n m\u1edf, cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng t\u1ef1 ki\u1ec3m tra, x\u00e1c minh ho\u1eb7c t\u1ef1 bi\u00ean d\u1ecbch firmware theo \u00fd mu\u1ed1n. \u0110\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi nh\u1eefng ng\u01b0\u1eddi \u0111am m\u00ea Bitcoin th\u1ef1c th\u1ee5, Coldcard \u0111\u1eb7t \u01b0u ti\u00ean h\u00e0ng \u0111\u1ea7u v\u00e0o s\u1ef1 minh b\u1ea1ch v\u00e0 quy\u1ec1n ki\u1ec3m so\u00e1t t\u00e0i s\u1ea3n c\u00e1 nh\u00e2n c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/span><\/p>\n<h3><b>Sao l\u01b0u d\u1ec5 d\u00e0ng, linh ho\u1ea1t<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">D\u1ef1a tr\u00ean <a href=\"https:\/\/bitcoinvn.io\/shop-2\/danh-sach-vi-dat-tieu-chuan-bip39-cap-nhat-2023\/\" target=\"_blank\" rel=\"noopener\">ti\u00eau chu\u1ea9n BIP39<\/a>, Coldcard cho ph\u00e9p b\u1ea1n sao l\u01b0u c\u1ee5m t\u1eeb kh\u00f4i ph\u1ee5c g\u1ed3m 12 ho\u1eb7c 24 t\u1eeb m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n b\u1eb1ng c\u00e1ch ghi ra gi\u1ea5y. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ngo\u00e0i ra, thi\u1ebft b\u1ecb c\u00f2n <strong>h\u1ed7 tr\u1ee3 t\u1ea1o nhi\u1ec1u t\u00e0i kho\u1ea3n ph\u1ee5 v\u00e0 \u0111\u1ecba ch\u1ec9 thanh to\u00e1n ri\u00eang bi\u1ec7t<\/strong>, gi\u00fap b\u1ea1n qu\u1ea3n l\u00fd t\u00e0i s\u1ea3n linh ho\u1ea1t h\u01a1n. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 sao l\u01b0u to\u00e0n b\u1ed9 v\u00ed v\u00e0 c\u00e1c giao d\u1ecbch \u0111\u00e3 k\u00fd th\u00f4ng qua th\u1ebb microSD \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a, \u0111\u1ea3m b\u1ea3o an to\u00e0n v\u00e0 d\u1ec5 d\u00e0ng kh\u00f4i ph\u1ee5c khi c\u1ea7n.<\/span><\/p>\n<h3><b>Thi\u1ebft k\u1ebf nh\u1ecf g\u1ecdn, ti\u1ec7n d\u1ee5ng<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Giao di\u1ec7n d\u1ec5 s\u1eed d\u1ee5ng, m\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb r\u00f5 r\u00e0ng gi\u00fap ng\u01b0\u1eddi d\u00f9ng d\u1ec5 d\u00e0ng x\u00e1c nh\u1eadn ch\u00ednh x\u00e1c c\u00e1c giao d\u1ecbch tr\u01b0\u1edbc khi k\u00fd.<\/span><\/p>\n<h2><b>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a v\u00ed Coldcard Mk3<\/b><\/h2>\n<table class=\" aligncenter\" style=\"height: 276px;\" width=\"517\">\n<tbody>\n<tr>\n<td colspan=\"2\">\n<p style=\"text-align: center;\"><b>Th\u00f4ng s\u1ed1<\/b><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td><b>K\u00edch th\u01b0\u1edbc<\/b><\/td>\n<td><span style=\"font-weight: 400;\">88 x 51 x 9 mm<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Tr\u1ecdng l\u01b0\u1ee3ng<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Kho\u1ea3ng 30 gram<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Ngu\u1ed3n \u0111i\u1ec7n<\/b><\/td>\n<td><span style=\"font-weight: 400;\">40mA \u1edf \u0111i\u1ec7n \u00e1p 5V<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>C\u1ed5ng k\u1ebft n\u1ed1i<\/b><\/td>\n<td><span style=\"font-weight: 400;\">MicroUSB v\u00e0 khe c\u1eafm th\u1ebb MicroSD<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>M\u00f4 h\u00ecnh 3D<\/b><\/td>\n<td><span style=\"font-weight: 400;\">M\u00f4 h\u00ecnh 3D kh\u00f4ng ch\u00ednh th\u1ee9c [STP] b\u1edfi @TiKawamoto<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 style=\"text-align: left;\"><b>Khi m\u1edf h\u1ed9p Coldcard Mk3 s\u1ebd c\u00f3 nh\u1eefng g\u00ec?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Kh\u00f4ng gi\u1ed1ng nh\u01b0 nhi\u1ec1u v\u00ed ph\u1ea7n c\u1ee9ng ti\u1ec1n m\u00e3 h\u00f3a kh\u00e1c, v\u00ed Coldcard MK3 kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u00f3ng g\u00f3i trong h\u1ed9p b\u1eaft m\u1eaft hay c\u1ea7u k\u1ef3. Thay v\u00e0o \u0111\u00f3, n\u00f3 \u0111\u01b0\u1ee3c giao trong m\u1ed9t t\u00fai ch\u1ed1ng gi\u1ea3 \u0111\u01a1n gi\u1ea3n, k\u00e8m theo tem b\u1ea3o m\u1eadt m\u00e0u \u0111\u1ecf.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">B\u00ean trong t\u00fai bao g\u1ed3m:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">1 v\u00ed Coldcard Mk3<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">1 th\u1ebb ghi ch\u00fa sao l\u01b0u v\u00ed (backup card)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">1 sticker Coldcard<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><\/li>\n<\/ul>\n<blockquote><p><span style=\"font-weight: 400;\">*L\u01b0u \u00fd: B\u1ea1n c\u1ea7n chu\u1ea9n b\u1ecb c\u00e1p micro USB v\u00e0 th\u1ebb nh\u1edb microSD ri\u00eang n\u1ebfu mu\u1ed1n s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb m\u1ed9t c\u00e1ch \u0111\u1ea7y \u0111\u1ee7 nh\u1ea5t.<\/span><\/p><\/blockquote>\n<figure id=\"attachment_6422\" aria-describedby=\"caption-attachment-6422\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-6422 size-full\" src=\"https:\/\/bitcoinvn.io\/shop-2\/wp-content\/uploads\/2020\/07\/coldcard-mk3.jpg\" alt=\"Tr\u1ecdn b\u1ed9 s\u1ea3n ph\u1ea9m v\u00ed c\u1ee9ng Coldcard MK3 khi &quot;\u0111\u1eadp h\u1ed9p&quot;\" width=\"800\" height=\"600\" srcset=\"https:\/\/bitcoinvn.io\/shop-2\/wp-content\/uploads\/2020\/07\/coldcard-mk3.jpg 800w, https:\/\/bitcoinvn.io\/shop-2\/wp-content\/uploads\/2020\/07\/coldcard-mk3-300x225.jpg 300w, https:\/\/bitcoinvn.io\/shop-2\/wp-content\/uploads\/2020\/07\/coldcard-mk3-768x576.jpg 768w, https:\/\/bitcoinvn.io\/shop-2\/wp-content\/uploads\/2020\/07\/coldcard-mk3-600x450.jpg 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-6422\" class=\"wp-caption-text\">Tr\u1ecdn b\u1ed9 s\u1ea3n ph\u1ea9m v\u00ed c\u1ee9ng Coldcard MK3 khi &#8220;\u0111\u1eadp h\u1ed9p&#8221;<\/figcaption><\/figure>\n<h2><b>Quy\u1ec1n l\u1ee3i khi mua v\u00ed Coldcard Mk3 t\u1ea1i BitcoinVN Shop<\/b><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>H\u00e0ng ch\u00ednh h\u00e3ng:<\/b><span style=\"font-weight: 400;\"> Nh\u1eadp kh\u1ea9u tr\u1ef1c ti\u1ebfp t\u1eeb Coinkite (Canada), nguy\u00ean seal, \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Giao h\u00e0ng nhanh ch\u00f3ng: <\/b><span style=\"font-weight: 400;\">Giao h\u00e0ng to\u00e0n qu\u1ed1c t\u1eeb 2-5 ng\u00e0y v\u00e0 trong ng\u00e0y \u0111\u1ed1i v\u1edbi TP. HCM<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ch\u00ednh s\u00e1ch \u0111\u1ed5i tr\u1ea3 minh b\u1ea1ch: <\/b><span style=\"font-weight: 400;\">H\u1ed7 tr\u1ee3 \u0111\u1ed5i m\u1edbi n\u1ebfu thi\u1ebft b\u1ecb c\u00f3 l\u1ed7i k\u1ef9 thu\u1eadt trong v\u00f2ng 12 th\u00e1ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ki\u1ec3m tra h\u00e0ng tr\u01b0\u1edbc khi thanh to\u00e1n: <\/b><span style=\"font-weight: 400;\">Ho\u00e0n to\u00e0n y\u00ean t\u00e2m khi nh\u1eadn h\u00e0ng (COD).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Thanh to\u00e1n linh ho\u1ea1t: <\/b><span style=\"font-weight: 400;\">H\u1ed7 tr\u1ee3 Momo, chuy\u1ec3n kho\u1ea3n ng\u00e2n h\u00e0ng, ho\u1eb7c thanh to\u00e1n khi nh\u1eadn.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>T\u1eb7ng 1 gi\u1edd t\u01b0 v\u1ea5n b\u1ea3o m\u1eadt mi\u1ec5n ph\u00ed: <\/b>\u0110\u01b0\u1ee3c h\u1ed7 tr\u1ee3 thi\u1ebft l\u1eadp v\u00ed, h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng, v\u00e0 t\u01b0 v\u1ea5n b\u1ea3o m\u1eadt b\u1edfi chuy\u00ean gia BitcoinVN.<\/li>\n<\/ul>\n<p>\u0110\u1ec3 mua v\u00ed Coldcard MK3 ch\u00ednh h\u00e3ng t\u1ea1i Vi\u1ec7t Nam, vui l\u00f2ng cho ngay s\u1ea3n ph\u1ea9m v\u00e0o gi\u1ecf h\u00e0ng &amp; \u0111i\u1ec1n \u0111\u1ea7y \u0111\u1ee7 th\u00f4ng tin. Ch\u00fang t\u00f4i s\u1ebd giao h\u00e0ng cho b\u1ea1n trong th\u1eddi gian s\u1edbm nh\u1ea5t!<\/p>\n","protected":false},"excerpt":{"rendered":"<ul>\n<li>D\u00f2ng v\u00ed c\u1ee9ng chuy\u00ean d\u1ee5ng \u0111\u1ec3 b\u1ea3o m\u1eadt Bitcoin<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Air-gapped ho\u00e0n to\u00e0n: Giao d\u1ecbch v\u00e0 k\u00fd giao d\u1ecbch ho\u00e0n to\u00e0n offline qua th\u1ebb microSD \u2013 kh\u00f4ng c\u1ea7n k\u1ebft n\u1ed1i m\u00e1y t\u00ednh.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Secure Element: L\u01b0u tr\u1eef kh\u00f3a ri\u00eang trong chip b\u1ea3o m\u1eadt chuy\u00ean d\u1ee5ng, ch\u1ed1ng l\u1ea1i t\u1ea5n c\u00f4ng v\u1eadt l\u00fd.<\/span><\/li>\n<li aria-level=\"1\">Thi\u1ebft k\u1ebf \u0111\u01a1n gi\u1ea3n, d\u1ec5 s\u1eed d\u1ee5ng kh\u00f4ng c\u00e1p d\u1ef1 ph\u00f2ng.<\/li>\n<\/ul>\n<hr \/>\n<p><em>B\u1ea1n kh\u00f4ng s\u1ed1ng t\u1ea1i Vi\u1ec7t Nam?<\/em><\/p>\n<p><em>\u0110\u1eb7t h\u00e0ng tr\u1ef1c ti\u1ebfp t\u1eeb <strong><a href=\"https:\/\/store.coinkite.com\/promo\/4E790E123AB1EA5ECAAB\" target=\"_blank\" rel=\"noopener\">c\u1eeda h\u00e0ng Coinkite<\/a><\/strong>.<\/em><\/p>\n<hr \/>\n<p>Gh\u00e9p n\u1ed1i Coldcard Mk3 c\u1ee7a b\u1ea1n v\u1edbi <a href=\"https:\/\/bitcoinvn.io\/shop-2\/product\/sandisk-ultra-32gb-microsd-for-coldcard\/\" target=\"_blank\" rel=\"noopener\">th\u1ebb nh\u1edb microSD Sandisk Ultra 32GB<\/a> \u0111\u1ec3 giao d\u1ecbch an to\u00e0n, k\u1ebft h\u1ee3p v\u1edbi <a href=\"https:\/\/bitcoinvn.io\/shop-2\/product\/cap-usb-c-to-usb-c-tuong-thich-coldcard\/\" target=\"_blank\" rel=\"noopener\">c\u00e1p USB-C \u0111\u1ebfn C<\/a> \u0111\u1ec3 k\u1ebft n\u1ed1i d\u1eef li\u1ec7u v\u00e0 ngu\u1ed3n \u0111\u00e1ng tin c\u1eady.<\/p>\n","protected":false},"featured_media":6642,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[143,337],"product_tag":[],"class_list":{"0":"post-726","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-coinkite","7":"product_cat-hardware-wallets","9":"first","10":"instock","11":"taxable","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>V\u00ed l\u1ea1nh Coldcard MK3 gi\u00e1 r\u1ebb \u0111\u1ea3m b\u1ea3o b\u1ea3o m\u1eadt cao, nhi\u1ec1u \u01b0u \u0111\u00e3i<\/title>\n<meta name=\"description\" content=\"Mua ngay v\u00ed l\u1ea1nh Coldcard MK3 l\u01b0u tr\u1eef Bitcoin nh\u1eadp kh\u1ea9u nguy\u00ean seal, gi\u00e1 h\u1eddi t\u1ea1i BitcoinVN Shop \u0111\u1ec3 nh\u1eadn 1 gi\u1edd t\u01b0 v\u1ea5n b\u1ea3o m\u1eadt mi\u1ec5n ph\u00ed!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/bitcoinvn.io\/shop-2\/vi\/product\/coldcard-mk3\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"V\u00ed l\u1ea1nh Coldcard MK3 gi\u00e1 r\u1ebb \u0111\u1ea3m b\u1ea3o b\u1ea3o m\u1eadt cao, nhi\u1ec1u \u01b0u \u0111\u00e3i\" \/>\n<meta property=\"og:description\" content=\"Mua ngay v\u00ed l\u1ea1nh Coldcard MK3 l\u01b0u tr\u1eef Bitcoin nh\u1eadp kh\u1ea9u nguy\u00ean seal, gi\u00e1 h\u1eddi t\u1ea1i BitcoinVN Shop \u0111\u1ec3 nh\u1eadn 1 gi\u1edd t\u01b0 v\u1ea5n b\u1ea3o m\u1eadt mi\u1ec5n ph\u00ed!\" \/>\n<meta property=\"og:url\" content=\"https:\/\/bitcoinvn.io\/shop-2\/vi\/product\/coldcard-mk3\/\" \/>\n<meta property=\"og:site_name\" content=\"BitcoinVN Shop\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/BitcoinVNShop\/\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-21T05:34:45+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/bitcoinvn.io\/shop-2\/wp-content\/uploads\/2024\/06\/Coldcard-Wallet-MK3.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1500\" \/>\n\t<meta property=\"og:image:height\" content=\"1500\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@bitcoinvnshop\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/bitcoinvn.io\/shop-2\/vi\/product\/coldcard-mk3\/\",\"url\":\"https:\/\/bitcoinvn.io\/shop-2\/vi\/product\/coldcard-mk3\/\",\"name\":\"V\u00ed l\u1ea1nh Coldcard MK3 gi\u00e1 r\u1ebb \u0111\u1ea3m b\u1ea3o b\u1ea3o m\u1eadt cao, nhi\u1ec1u \u01b0u \u0111\u00e3i\",\"isPartOf\":{\"@id\":\"https:\/\/bitcoinvn.io\/shop-2\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/bitcoinvn.io\/shop-2\/vi\/product\/coldcard-mk3\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/bitcoinvn.io\/shop-2\/vi\/product\/coldcard-mk3\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/bitcoinvn.io\/shop-2\/wp-content\/uploads\/2024\/06\/Coldcard-Wallet-MK3.jpg\",\"datePublished\":\"2020-07-21T00:32:36+00:00\",\"dateModified\":\"2025-08-21T05:34:45+00:00\",\"description\":\"Mua ngay v\u00ed l\u1ea1nh Coldcard MK3 l\u01b0u tr\u1eef Bitcoin nh\u1eadp kh\u1ea9u nguy\u00ean seal, gi\u00e1 h\u1eddi t\u1ea1i BitcoinVN Shop \u0111\u1ec3 nh\u1eadn 1 gi\u1edd t\u01b0 v\u1ea5n b\u1ea3o m\u1eadt mi\u1ec5n ph\u00ed!\",\"breadcrumb\":{\"@id\":\"https:\/\/bitcoinvn.io\/shop-2\/vi\/product\/coldcard-mk3\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/bitcoinvn.io\/shop-2\/vi\/product\/coldcard-mk3\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/bitcoinvn.io\/shop-2\/vi\/product\/coldcard-mk3\/#primaryimage\",\"url\":\"https:\/\/bitcoinvn.io\/shop-2\/wp-content\/uploads\/2024\/06\/Coldcard-Wallet-MK3.jpg\",\"contentUrl\":\"https:\/\/bitcoinvn.io\/shop-2\/wp-content\/uploads\/2024\/06\/Coldcard-Wallet-MK3.jpg\",\"width\":1500,\"height\":1500},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/bitcoinvn.io\/shop-2\/vi\/product\/coldcard-mk3\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/bitcoinvn.io\/shop-2\/store\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Shop\",\"item\":\"https:\/\/bitcoinvn.io\/shop-2\/shop\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"V\u00ed Coldcard MK3\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/bitcoinvn.io\/shop-2\/#website\",\"url\":\"https:\/\/bitcoinvn.io\/shop-2\/\",\"name\":\"BitcoinVN Shop\",\"description\":\"Official Hardware Wallet Distributor in Vietnam\",\"publisher\":{\"@id\":\"https:\/\/bitcoinvn.io\/shop-2\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/bitcoinvn.io\/shop-2\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/bitcoinvn.io\/shop-2\/#organization\",\"name\":\"BitcoinVN Shop\",\"url\":\"https:\/\/bitcoinvn.io\/shop-2\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/bitcoinvn.io\/shop-2\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/bitcoinvn.io\/shop-2\/wp-content\/uploads\/2021\/03\/logo-bitcoinvn-shop.jpg\",\"contentUrl\":\"https:\/\/bitcoinvn.io\/shop-2\/wp-content\/uploads\/2021\/03\/logo-bitcoinvn-shop.jpg\",\"width\":1200,\"height\":675,\"caption\":\"BitcoinVN Shop\"},\"image\":{\"@id\":\"https:\/\/bitcoinvn.io\/shop-2\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/BitcoinVNShop\/\",\"https:\/\/x.com\/bitcoinvnshop\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"V\u00ed l\u1ea1nh Coldcard MK3 gi\u00e1 r\u1ebb \u0111\u1ea3m b\u1ea3o b\u1ea3o m\u1eadt cao, nhi\u1ec1u \u01b0u \u0111\u00e3i","description":"Mua ngay v\u00ed l\u1ea1nh Coldcard MK3 l\u01b0u tr\u1eef Bitcoin nh\u1eadp kh\u1ea9u nguy\u00ean seal, gi\u00e1 h\u1eddi t\u1ea1i BitcoinVN Shop \u0111\u1ec3 nh\u1eadn 1 gi\u1edd t\u01b0 v\u1ea5n b\u1ea3o m\u1eadt mi\u1ec5n ph\u00ed!","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/bitcoinvn.io\/shop-2\/vi\/product\/coldcard-mk3\/","og_locale":"en_US","og_type":"article","og_title":"V\u00ed l\u1ea1nh Coldcard MK3 gi\u00e1 r\u1ebb \u0111\u1ea3m b\u1ea3o b\u1ea3o m\u1eadt cao, nhi\u1ec1u \u01b0u \u0111\u00e3i","og_description":"Mua ngay v\u00ed l\u1ea1nh Coldcard MK3 l\u01b0u tr\u1eef Bitcoin nh\u1eadp kh\u1ea9u nguy\u00ean seal, gi\u00e1 h\u1eddi t\u1ea1i BitcoinVN Shop \u0111\u1ec3 nh\u1eadn 1 gi\u1edd t\u01b0 v\u1ea5n b\u1ea3o m\u1eadt mi\u1ec5n ph\u00ed!","og_url":"https:\/\/bitcoinvn.io\/shop-2\/vi\/product\/coldcard-mk3\/","og_site_name":"BitcoinVN Shop","article_publisher":"https:\/\/www.facebook.com\/BitcoinVNShop\/","article_modified_time":"2025-08-21T05:34:45+00:00","og_image":[{"width":1500,"height":1500,"url":"https:\/\/bitcoinvn.io\/shop-2\/wp-content\/uploads\/2024\/06\/Coldcard-Wallet-MK3.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_site":"@bitcoinvnshop","twitter_misc":{"Est. reading time":"4 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/bitcoinvn.io\/shop-2\/vi\/product\/coldcard-mk3\/","url":"https:\/\/bitcoinvn.io\/shop-2\/vi\/product\/coldcard-mk3\/","name":"V\u00ed l\u1ea1nh Coldcard MK3 gi\u00e1 r\u1ebb \u0111\u1ea3m b\u1ea3o b\u1ea3o m\u1eadt cao, nhi\u1ec1u \u01b0u \u0111\u00e3i","isPartOf":{"@id":"https:\/\/bitcoinvn.io\/shop-2\/#website"},"primaryImageOfPage":{"@id":"https:\/\/bitcoinvn.io\/shop-2\/vi\/product\/coldcard-mk3\/#primaryimage"},"image":{"@id":"https:\/\/bitcoinvn.io\/shop-2\/vi\/product\/coldcard-mk3\/#primaryimage"},"thumbnailUrl":"https:\/\/bitcoinvn.io\/shop-2\/wp-content\/uploads\/2024\/06\/Coldcard-Wallet-MK3.jpg","datePublished":"2020-07-21T00:32:36+00:00","dateModified":"2025-08-21T05:34:45+00:00","description":"Mua ngay v\u00ed l\u1ea1nh Coldcard MK3 l\u01b0u tr\u1eef Bitcoin nh\u1eadp kh\u1ea9u nguy\u00ean seal, gi\u00e1 h\u1eddi t\u1ea1i BitcoinVN Shop \u0111\u1ec3 nh\u1eadn 1 gi\u1edd t\u01b0 v\u1ea5n b\u1ea3o m\u1eadt mi\u1ec5n ph\u00ed!","breadcrumb":{"@id":"https:\/\/bitcoinvn.io\/shop-2\/vi\/product\/coldcard-mk3\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/bitcoinvn.io\/shop-2\/vi\/product\/coldcard-mk3\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/bitcoinvn.io\/shop-2\/vi\/product\/coldcard-mk3\/#primaryimage","url":"https:\/\/bitcoinvn.io\/shop-2\/wp-content\/uploads\/2024\/06\/Coldcard-Wallet-MK3.jpg","contentUrl":"https:\/\/bitcoinvn.io\/shop-2\/wp-content\/uploads\/2024\/06\/Coldcard-Wallet-MK3.jpg","width":1500,"height":1500},{"@type":"BreadcrumbList","@id":"https:\/\/bitcoinvn.io\/shop-2\/vi\/product\/coldcard-mk3\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/bitcoinvn.io\/shop-2\/store\/"},{"@type":"ListItem","position":2,"name":"Shop","item":"https:\/\/bitcoinvn.io\/shop-2\/shop\/"},{"@type":"ListItem","position":3,"name":"V\u00ed Coldcard MK3"}]},{"@type":"WebSite","@id":"https:\/\/bitcoinvn.io\/shop-2\/#website","url":"https:\/\/bitcoinvn.io\/shop-2\/","name":"BitcoinVN Shop","description":"Official Hardware Wallet Distributor in Vietnam","publisher":{"@id":"https:\/\/bitcoinvn.io\/shop-2\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/bitcoinvn.io\/shop-2\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/bitcoinvn.io\/shop-2\/#organization","name":"BitcoinVN Shop","url":"https:\/\/bitcoinvn.io\/shop-2\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/bitcoinvn.io\/shop-2\/#\/schema\/logo\/image\/","url":"https:\/\/bitcoinvn.io\/shop-2\/wp-content\/uploads\/2021\/03\/logo-bitcoinvn-shop.jpg","contentUrl":"https:\/\/bitcoinvn.io\/shop-2\/wp-content\/uploads\/2021\/03\/logo-bitcoinvn-shop.jpg","width":1200,"height":675,"caption":"BitcoinVN Shop"},"image":{"@id":"https:\/\/bitcoinvn.io\/shop-2\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/BitcoinVNShop\/","https:\/\/x.com\/bitcoinvnshop"]}]}},"lang":"vi","translations":{"vi":726,"en":717,"ru":6814},"pll_sync_post":[],"_links":{"self":[{"href":"https:\/\/bitcoinvn.io\/shop-2\/wp-json\/wp\/v2\/product\/726","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bitcoinvn.io\/shop-2\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/bitcoinvn.io\/shop-2\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/bitcoinvn.io\/shop-2\/wp-json\/wp\/v2\/comments?post=726"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bitcoinvn.io\/shop-2\/wp-json\/wp\/v2\/media\/6642"}],"wp:attachment":[{"href":"https:\/\/bitcoinvn.io\/shop-2\/wp-json\/wp\/v2\/media?parent=726"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/bitcoinvn.io\/shop-2\/wp-json\/wp\/v2\/product_brand?post=726"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/bitcoinvn.io\/shop-2\/wp-json\/wp\/v2\/product_cat?post=726"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/bitcoinvn.io\/shop-2\/wp-json\/wp\/v2\/product_tag?post=726"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}